Alright, let's work through 39746447 times 6249447 step by step
39746447 × 6249447 = 6249447 × (39746447)
+ 6249447 × 7 producing 43746129
+ 6249447 × 40 that equals 249977880
+ 6249447 × 400 producing 2499778800
+ 6249447 × 6000 yielding 37496682000
+ 6249447 × 40000 yielding 249977880000
+ 6249447 × 700000 that results in 4374612900000
+ 6249447 × 9000000 giving us 56245023000000
+ 6249447 × 30000000 yielding 187483410000000

= 248393313964809
